CN108575253A - A kind of depth root crop harvester - Google Patents

Abstract

The present invention relates to a kind of deep root crop harvesters, including rack, transmission device, the deep mole of digging and conveying device, transmission device to provide power to dig the main shaft of deep mole, main shaft is made to rotate；It further includes supporting rack, driven shaft, at least a low bank of earth between fields cutting mechanism and at least two ditching mechanisms to dig deep mole, main shaft is arranged in the nearly stander end of supporting rack, and nearly stander end is connect with gantry rotation, driven shaft is arranged in the remote stander end of supporting rack, and remote stander end connects conveying device, low bank of earth between fields cutting mechanism is fixed on driven shaft, and driven shaft is followed to rotate；Each ditching mechanism includes a big sprocket wheel, a trench digging chain and a minor sprocket equipped with chain knife, big sprocket wheel is fixed on main shaft, minor sprocket is fixed on driven shaft, pass through chain-driving minor sprocket rotation of ditching, one low bank of earth between fields cutting mechanism is set between the minor sprocket of adjacent two ditching mechanism, and low bank of earth between fields cutting mechanism is equipped with the blade for cutting the low bank of earth between fields.Mining Quality of the present invention is good, and efficiency of crop is high.

Description

A kind of depth root crop harvester

Technical field

The present invention relates to a kind of deep root crop harvesters, are particularly suitable for Chinese yam excavation, belong to mechanical excavation applications.

Background technology

In deep root crop, the harvest difficulty of Chinese yam is larger.According to statistics, the present planting scale of Chinese yam does not increase not only It is long, it is also faced with the condition of atrophy, the trace it to its cause special growing environment of most importantly Chinese yam, the harvest of Chinese yam root tuber and plantation Depth, porousness and the surface soil layer of soil and the kind correlation of Chinese yam are very big, excavate harvest labor intensity and excavation Difficult, mechanized harvest level is relatively low, and most area still uses artificial harvesting approach, and excavating depth is deeper（It excavates Depth is between 0.8 meter to 1.5 meters）, and the peasant household's age for planting Chinese yam is generally larger, Chinese yam industry, which faces, has ethnic group is unmanned to receive Condition（Older peasant household can not bear to excavate the labor intensity in harvest）.It is suitable for height there are no molding currently on the market The equipment of Chinese yam harvesting is imitated, therefore, is badly in need of the mechanized equipment that the suitable Chinese yam of exploitation efficiently harvests to solve the problems, such as to face at present.

Publication No. CN106211904A（Publication date is 20161214）Patent of invention《A kind of Chinese yam harvester》, public The cropper opened includes rack, and rack is equipped with lateral soil conveyer, and ditcher is additionally provided in rack, and ditcher is located at soil Behind earth conveyer, and it is equipped with ditcher elevating mechanism；Vibrator is additionally provided with behind ditcher；Soil conveys function and will dig Most of soil that ditch machine is excavated is transported to side, and vibrator can shake the soil on Chinese yam ridge pine.In the technical solution, ditching Chain type can only be excavated the soil with position and dug out by machine, and a chain blade correspondence digs out a bar ditch, generally in Chinese yam institute A bar ditch are dug out in the be expert at both sides on ridge respectively, and then carrying out vibration by vibrator ridge be expert to Chinese yam loosens the soil, and Chinese yam is made to exist Expose native face in vibration processes, people's harvesting of being more convenient for.Its area excavated is not enough, and shoveling amount is limited, therefore is vibrating Process does not ensure that whole Chinese yams can expose native face.Meanwhile soil conveyer position is fixed in rack, it can not be with Change with the change of excavating depth and angle, please refers to its Figure of description Fig. 2, when ditch machine is deep-cut, soil conveyer Distance is far between excavating band with chain type, it is difficult to the soil dug out be fallen on soil conveyer, before certainly will increasing cropper Into resistance.

Invention content

In order to solve the above technical problem, the present invention provides a kind of deep root crop harvesters, can not only be by crop ridge Both sides dig out zanjon, moreover it is possible to the soil below crop is cut off, then by the soil comprising crop by transfer mechanism by Chinese yam It being detached with soil, Mining Quality is good, and efficiency of crop is high, meanwhile, soil out is arranged to both sides, and spiral shell by spiral casting mechanism Rotation casting mechanism changes with the change for digging deep mole direction, and casting effect is good.

Technical scheme is as follows：

A kind of depth root crop harvester, including rack and the transmission device in rack, further include dig deep mole and Wait for that the power of tractor rear output shaft is transmitted to by the conveying device of harvesting crops soil, the transmission device for transmitting package Dig the main shaft of deep mole；The deep mole of the digging further include supporting rack, driven shaft, an at least low bank of earth between fields cutting mechanism and The main shaft is arranged in the nearly stander end of at least two ditching mechanisms, support frame as described above, and nearly stander end is connect with gantry rotation, described The driven shaft is arranged in the remote stander end of supporting rack, and remote stander end connects the conveying device, and the low bank of earth between fields cutting mechanism is solid Due on driven shaft, and driven shaft is followed to rotate；Each ditching mechanism includes a big sprocket wheel, a trench digging chain equipped with chain knife And a minor sprocket, the big sprocket wheel are fixed on the main shaft, the minor sprocket is fixed on the driven shaft, by described Chain of ditching connects the big sprocket wheel and minor sprocket, and a low bank of earth between fields cutting machine is arranged between the minor sprocket of adjacent two ditching mechanism Structure, the low bank of earth between fields cutting mechanism are equipped with the blade for cutting the low bank of earth between fields, and the package cut waits for that harvesting crops soil imports institute State conveying device.

More preferably, the both ends of the main shaft are equipped with bearing holder (housing, cover), and the bearing holder (housing, cover) is fixed on the rack, the nearly rack of support frame as described above End is equipped with two earrings, and the earrings is sleeved on the outer wall of the bearing holder (housing, cover)；One is also hinged between support frame as described above and the rack Hydraulic support adjusts the angle for digging deep mole and ground by hydraulic support, and when adjustment, the rotation of main shaft and branch The rotation of support is non-interference.

More preferably, the deep mole of the digging further includes at least two first strainers, is corresponded with ditching mechanism Setting；First strainer is fixed on the lower section of support frame as described above；First strainer includes a tensioning holder, one One end of tightener sprocket and an adjusting nut, the tensioning holder is articulated with support frame as described above, and the tensioning is arranged in the other end Sprocket wheel, the tightener sprocket are fixed by chain tensioner spindle, and the tightener sprocket is engaged with the trench digging chain, the adjusting Nut is fixed between tensioning holder and supporting rack, and tensioning the distance between holder and supporting rack are adjusted by adjusting nut, from And tightener sprocket is adjusted to the tensioning of the chain power of ditching.

More preferably, a spiral casting mechanism is also set up on the outside of each ditching mechanism, spiral casting mechanism is fixed In on the chain tensioner spindle, the chain tensioner spindle is fixedly connected with tightener sprocket.

More preferably, the chain knife-edge shape on the trench digging chain is half cup type, and the low bank of earth between fields cutting mechanism includes a plurality of cross Cutter group, each revolving knife group include two set of blades, the blade clearance setting and annular spread in each set of blades in it is described from On moving axis, the blade of two set of blades in the revolving knife group is opposite and is staggered.

More preferably, support frame as described above includes front support and rear support portion, and two earrings, institute is arranged in the front support It states main shaft to be hinged front support and rack between two earrings and by earrings, the rear support portion is by two adjustable lengths Telescopic arm composition, the front end of each telescopic arm is arranged the first cross through hole, fastener pass through through-hole by telescopic arm with it is described Front support is fixedly connected, and the rear end setting one of each telescopic arm is used to house the fluting of the minor sprocket；The main shaft is opened If the second cross through hole, the big sprocket wheel is limited by the second cross through hole and is fixed；When needs adjust two ditchers according to row spacing When spacing between structure, fixed position of two big sprocket wheels of adjustment on corresponding second cross through hole makes the spacing between two big sprocket wheels It is matched with the row spacing, while fixed position of two telescopic arms of corresponding adjustment on corresponding first cross through hole, to make two to stretch Spacing between two minor sprockets of contracting arm rear end is equal with the spacing between two big sprocket wheel.

More preferably, the conveying device is chain delivery mechanism, and the conveyer belt of the conveying device is by being arranged at intervals at two Plural number cross bar composition between transmission chain；Power is provided for the conveying device by motor, the cut-off low bank of earth between fields passes through The conveyer belt is conveyed；The conveying device is hinged by two connectors and the driven shaft, and the conveying device is logical The telescopic rod for crossing two adjustable lengths is fixedly connected with support frame as described above, adjusts telescopic rod, is changed conveying device and is dug deep driving The angle between angle and conveying device and ground between device keeps the soil for being dug deep mole cut-out more preferable Ground enters the conveying device, and in transmit process, soil is elevated, and part chesson is fallen between cross bar gap, will be made Object is detached with soil, facilitates pickup crop.

More preferably, it is equipped with third cross through hole on two connector, the conveying is adjusted by third cross through hole The fixed position of device and connector, to adapt to the spacing adjustment between two ditching mechanisms.

More preferably, the motor sends power to conveying device, the level-one chain drive by level-one chain-drive mechanism Mechanism is fixed on the lateral wall of the conveying device comprising level-one head sprocket, first grade transmission chain and level-one accessary sprocket wheel, institute It states level-one head sprocket to be fixed on the transmission shaft of the motor, drives level-one accessary sprocket wheel to rotate by first grade transmission chain, described one Grade accessary sprocket wheel is fixed in the shaft of chain delivery mechanism, to drive conveyer belt to rotate；In the level-one chain-drive mechanism also One second strainer is set comprising a rotating disc and a rotating wheel, the lateral wall of the rotating disc and the conveying device It is rotatablely connected and in the first grade transmission chain, an arc-shaped slot is opened up by the center of circle of run-on point on the rotating disc, it is described Locking member is set on arc-shaped slot, rotating disc is located on lateral wall by locking member, the rotating wheel is rotationally connected with institute The edge of rotating disc is stated, and rotating wheel is slidably matched when needing to adjust tensile force with the first grade transmission chain；

It is respectively provided with an at least supporting mechanism on two lateral walls of the conveying device, the supporting mechanism includes from top to bottom successively Support sprocket wheel, supporting rod, wedge block and the adjusting screw of setting and one are for housing the supporting rod and wedge block Limiting slot, the support sprocket wheel are fixed on the upper end of the supporting rod and are nibbled with the transmission chain of the chain delivery mechanism It closes, the lower end of the supporting rod is inclined-plane, and is matched with the inclined-plane of the wedge block of lower section, and the adjusting screw passes through institute It states the side wall of limiting slot and the wedge block is withstood in its end.

More preferably, an axis pin is fixed respectively on the both sides frame of the rack, rack is fixed on by tractor by axis pin On two fulcrums of Rear-axle suspension pull rod, the rack also sets up traction unit, and the traction unit includes pulling plate and sleeve, institute A pulling plate is respectively fixed in the upper and lower part for stating the both sides frame of rack, and the other end of each pulling plate passes through the set Cylinder is fixed together, and the traction unit is fixed on the traction bearing of the tractor rear overhang.

The present invention has the advantages that：

1, leakiness does not dig and damages crop to the present invention, and Mining Quality is good, and efficiency of crop is high, improves and is fitted to different cultivars crop Should be able to power, reduce breakage rate of the crop in mining process；

2, the width of ditching depth and trench digging of the present invention can be conveniently adjusted；

3, the angle of conveying device of the present invention and ground can also adjust at any time；

4, spiral casting of the present invention mechanism rotates, and the soil that the chain knife on trench digging chain digs up is discharged to both sides, reduces resistance, The advance of cropper is not interfered with；

5, the present invention is provided with low bank of earth between fields cutting mechanism, and blade is interspersed, and substantially increases the cutting efficiency of the low bank of earth between fields；

6, the conveyer belt of conveying device of the invention forms the conveyer belt of bamboo slip type using interval setting cross bar, can be by mountain Medicine is detached with soil, and staff is facilitated to pick up.

Description of the drawings

Fig. 1 is the structural schematic diagram of cropper of the present invention；

Fig. 2 is the structural schematic diagram of supporting rack in the present invention；

Fig. 3-1 and Fig. 3-2 is the schematic diagram of supporting rack and the first strainer in the present invention；

Fig. 4 is the schematic diagram of conveying device in the present invention；

Fig. 5 is the structural schematic diagram of low bank of earth between fields cutting mechanism in the present invention；

Fig. 6 is the schematic diagram of the second strainer and level-one chain-drive mechanism in the present invention；

Fig. 7 is the schematic diagram of supporting mechanism in the present invention.

Reference numeral is expressed as in figure：

10, rack；20, transmission device；30, deep mole is dug；40, conveying device；

11, axis pin；12, pulling plate；13, sleeve；

31, main shaft；311, bearing holder (housing, cover)；312, the second cross through hole；

32, supporting rack；321, front support；3211, earrings；322, telescopic arm；3221, the first cross through hole；3222, it slots； 323, hinged-support；

33, driven shaft；34, low bank of earth between fields cutting mechanism；341, revolving knife group；3411, set of blades；

35, ditching mechanism；351, big sprocket wheel；352, trench digging chain；3521, chain knife；353, minor sprocket；

36, the first strainer；361, it is tensioned holder；362, tightener sprocket；363, adjusting nut；364, chain tensioner spindle；37、 Spiral casting mechanism；38, hydraulic support；

41, conveyer belt；42, transmission chain；44, motor；48, connector；481, third cross through hole；49, telescopic rod；

410, the second strainer；411, rotating disc；412, rotating wheel；413, arc-shaped slot；414, locking member；

420, supporting mechanism；421, sprocket wheel is supported；422, supporting rod；423, wedge block；424, adjusting screw；425, it limits Slot；

430, level-one chain-drive mechanism；431, level-one head sprocket；432, first grade transmission chain；433, level-one accessary sprocket wheel.

Specific implementation mode

It is next in the following with reference to the drawings and specific embodiments that the present invention will be described in detail.

Embodiment one

It please refers to Fig.1 and Fig. 5, a kind of depth root crop harvester, including rack 10 and transmission device 20 in rack 10, It digs deep mole 30 and waits for that the conveying device 40 of harvesting crops soil, the transmission device 20 will be drawn for transmitting package The power of machine rear output shaft is transmitted to the main shaft 31 for digging deep mole 30；The digging depth mole 30 further includes supporting rack 32, driven shaft 33, at least a low bank of earth between fields cutting mechanism 34 and at least two ditching mechanisms 35（The present embodiment is with two ditching mechanisms, 35 He For one low bank of earth between fields cutting mechanism 34）, the nearly stander end setting main shaft 31 of support frame as described above 32, and nearly stander end and rack 10 The driven shaft 33 is arranged in the remote stander end of rotation connection, support frame as described above 32, and remote stander end connects the conveying device 40, The low bank of earth between fields cutting mechanism 34 is fixed on driven shaft 33, and driven shaft 33 is followed to rotate；Each ditching mechanism 35 includes one Big sprocket wheel 351, one is equipped with the trench digging chain 352 and a minor sprocket 353 of chain knife 3521, and the big sprocket wheel 351 is fixed on described On main shaft 31, the minor sprocket 353 is fixed on the driven shaft 33, and the big sprocket wheel is connected by the trench digging chain 352 351 and minor sprocket 353 rotate, a low bank of earth between fields cutting mechanism 34, institute are set between the minor sprocket 353 of adjacent two ditching mechanism 35 Low bank of earth between fields cutting mechanism 34 is stated equipped with the blade for cutting the low bank of earth between fields, it is described defeated that the package cut waits for that harvesting crops soil imports Send device 40.

3521 shape of chain knife on the trench digging chain 352 can be selected as half cup type, and adjacent two chains knife 3521 is open Direction is interspersed, and cuts the earth efficient.

Emphasis is referring to Fig. 5, the realization method of the low bank of earth between fields cutting mechanism 34 can be：It includes a plurality of revolving knife groups 341, each revolving knife group 341 includes two set of blades 3411, the blade clearance setting in each set of blades 3411 and annular spread In on the driven shaft 33, the blade of two set of blades 3411 in the revolving knife group 341 is opposite and is staggered.This realization side Formula can greatly improve the cutting efficiency of the low bank of earth between fields.

The power of tractor rear output shaft is transmitted to digging depth mole 30 by the transmission device 20 using transmission mechanism Main shaft 31, so that main shaft 31 is rotated, the technical solution with the embodiment equivalent replacement further includes, and directly uses power generation Mechanism, such as including election power generation devices and motor, powered for motor by election power generation devices, then directly driven by motor Main shaft 31 rotates.

In the present embodiment, transmission device 20 is that main shaft 31 provides power, and main shaft 31 is made to rotate, and the drive of main shaft 31 is fixed on master Big sprocket wheel 351 on axis 31 transfers power on trench digging chain 352, and trench digging chain 352 drives chain knife 3521 to move, by soil Ground is dug out, deep mole 30 is dug and gradually digs downwards deeply（Using dig the deep dead weight of mole 30 and conveying device 40 from It is set gradually to deep-cut again）, meanwhile, trench digging chain 352 is transmitted to power on driven shaft 33 by minor sprocket 353, driven shaft 33 On low bank of earth between fields cutting mechanism 34 rotated with driven shaft 33, while digging deep mole 30 and move downward, drive low bank of earth between fields cutting machine Structure 34 cuts the low bank of earth between fields between two raceway grooves from underground, is cut off intermediate after trench digging from underground comprising the due-in low bank of earth between fields for obtaining crop, The low bank of earth between fields after being cut off enters conveying device 40, can be loose by the promotion low bank of earth between fields, separation in 40 transmission process of conveying device The modes such as soil make to wait for harvesting crops and soil separation, facilitate pickup.

In the present embodiment, digs deep mole 30 and not only waiting for that harvesting crops both sides dig out raceway groove, moreover it is possible in the same of ditching When, it is cut from low bank of earth between fields bottom, because conveying device 40, close to low bank of earth between fields cutting mechanism 34, therefore, wrapping up after being cut waits harvesting The low bank of earth between fields of crop enters conveying device 40, makes to wait for that harvesting crops and soil are detached by conveying device 40, staff is facilitated to pick up It takes.For cropper of the present invention during harvest, leakiness does not dig and damages Chinese yam, and Mining Quality is good, and efficiency of crop is high.

Embodiment two

The present embodiment is additionally arranged casting mechanism in the technical solution of embodiment one, prevents the soil dug out from sliding into raceway groove, Influence the advance of conveying device 40.Meanwhile it being additionally arranged the first strainer 36 in conjunction with casting mechanism, so that trench digging chain 352 is kept Tensioning state.

Fig. 3-1, Fig. 3-2 and Fig. 1 are please referred to, the digging depth mole 30 further includes at least two first strainers 36, it is arranged in a one-to-one correspondence with ditching mechanism 35；First strainer 36 is fixed on the lower section of support frame as described above 32；It is described First strainer 36 includes a tensioning holder 361, a tightener sprocket 362 and an adjusting nut 363, the tensioning holder 361 one end is articulated with support frame as described above 32, and the tightener sprocket 362 is arranged in the other end, and the tightener sprocket 362 passes through tensioning Sprocket shaft 364 is fixed, and the tightener sprocket 362 is engaged with the trench digging chain 352, and the adjusting nut 363, which is fixed on, to be opened Between locking bracket 361 and supporting rack 32, tensioning the distance between holder 361 and supporting rack 32 are adjusted by adjusting nut 363, from And adjust tensile force of the tightener sprocket 362 to chain 352 of ditching.

Emphasis is referring to Fig. 1, the outside of each ditching mechanism 35 also sets up a spiral casting mechanism 37, the spiral row Native mechanism 37 is fixed on the chain tensioner spindle 364, and the chain tensioner spindle 364 is fixedly connected with tightener sprocket 362.

Trench digging chain 352 is transmitted to power on chain tensioner spindle 364 by tightener sprocket 362, makes chain tensioner spindle 364 Rotation；Chain tensioner spindle 364 drives spiral casting connected to it mechanism 37 to rotate, and 352 upper chain knife 3521 of trench digging chain is dug Soil out is discharged to both sides, prevents loose soil from sliding into ditch, influences the advance of conveying device 40.

Embodiment three

The present embodiment can form new technical solution in conjunction with the embodiments one and/or embodiment two, so that cropper is increased as follows Function：It digs trench digging chain 352 and the angle on ground in deep mole 30 to be adjusted by hydraulic support 38, ditch Depth can change by adjusting the length of telescopic arm 322, the width of trench digging can also be adjusted.

Fig. 2 and Fig. 3-1 are please referred to, the both ends of the main shaft 31 are equipped with bearing holder (housing, cover) 311, and the bearing holder (housing, cover) 311 is fixed on machine On frame 10, the nearly stander end of support frame as described above 32 is equipped with two earrings 3211, and the earrings 3211 is sleeved on the outer of the bearing holder (housing, cover) 311 On wall；A hydraulic support 38 is also hinged between support frame as described above 32 and the rack 10, in the present embodiment, in supporting rack 32 Top one hinged-support 323 is set, the one end of hydraulic support 38 is hinged with hinged-support 323.It is adjusted by hydraulic support 38 The whole angle for digging deep mole 30 and ground, and can be applied under the driving of hydraulic support 38 to digging deep mole 30 Add the pressure of downward ditching, promotes ditching efficiency.When so that digging depth mole 30 is adjusted the angle by bearing holder (housing, cover) 311, main shaft 31 Rotation and the rotation of supporting rack 32 are non-interference.

Support frame as described above 32 includes front support 321 and rear support portion, and the front support 321 is equipped with two earrings 3211, the main shaft 31 is set between two earrings 3211 and is hinged front support 321 and rack 10 by earrings 3211, described Rear support portion is made of the telescopic arm 322 of two adjustable lengths, and the first cross through hole is arranged in the front end of each telescopic arm 322 3221, telescopic arm 322 is fixedly connected by fastener across the first cross through hole 3221 with the front support 321, each described to stretch Fluting 3222 of the rear end setting one of contracting arm 322 for housing the minor sprocket 353；The main shaft 31 opens up the second cross through hole 312, the big sprocket wheel 351 is limited by the second cross through hole 312 and is fixed.

When needing to adjust the spacing between two ditching mechanisms 35 according to row spacing, two big sprocket wheels 351 of adjustment are corresponding second Fixed position on cross through hole 312 makes the spacing between two big sprocket wheels 351 be matched with the row spacing, while corresponding adjustment two is stretched Fixed position of the contracting arm 322 on corresponding first cross through hole 3221, to make two minor sprockets 353 of two telescopic arms, 322 rear end Between spacing it is equal with the spacing between two big sprocket wheel 351.It, can be flexible by changing when needing to adjust the depth of trench digging The length of arm 322 is adjusted, while being done to trench digging chain 352 and being increased the work of chain link and at this moment can also pass through first Tight mechanism 36 makes trench digging chain 352 keep tensioning state.

One kind of the telescopic arm 322 is simply achieved in that：Telescopic arm 322 includes a long-armed and galianconism, in length Multiple bolts hole are opened up on the interconnecting piece of arm and galianconism, by the different bolt hole of selection, then are connected with, are realized telescopic arm 322 length are adjusted.

Example IV

This gives a kind of preferably realization methods of conveying device 40, in combination with applied to above-mentioned each embodiment party Formula.In the present embodiment, the low bank of earth between fields is elevated in transmit process, and by soil and can wait for that harvesting crops detach, and facilitates work Make personnel's pickup.

Referring to Fig. 4, the conveying device 40 is chain delivery mechanism, the conveyer belt 41 of the conveying device 40 is by being spaced The plural number cross bar composition being set between two transmission chains 42；It is that the conveying device 40 provides power, quilt by motor 44 The low bank of earth between fields of cut-out is conveyed by the conveyer belt 41；The conveying device 40 passes through two connectors 48 and the driven shaft 33 It is hinged, and the conveying device 40 is fixedly connected by the telescopic rod 49 of two adjustable lengths with support frame as described above 32, if setting The hinged-support 323 can then make the one end of telescopic rod 49 and the hinged-support 323 hinged；Telescopic rod 49 is adjusted, is changed The angle between angle and conveying device 40 and ground between conveying device 40 and digging depth mole 30, makes to be dug deep pick Into device 30 cut off soil can preferably enter the conveying device 40, in transmit process, soil is elevated, partly compared with Fallen between cross bar gap for loose soil, make package in the soil wait for that harvesting crops are exposed, realize crop with soil Earth detaches, and staff is facilitated to pick up.

It should be noted that the motor 44 can select hydraulic motor, conveying device 40 is with the liquid on farm tractor Press pump is power source, and hydraulic pump drives hydraulic motor to rotate by hydraulic circuit.

The connector 48 is hinged with driven shaft 33, and bearing holder (housing, cover), the connector 48 can be arranged on driven shaft 33 It is sheathed on bearing holder (housing, cover) outer wall, to avoid connector 48 from increasing the rotary resistance of driven shaft 33.

Referring to Fig. 5, by this present embodiment, the conveying device 40 is hinged on driven shaft 33 by two connectors 48 On, the general both ends for being set to driven shaft 33, when width is ditched in adjustment, the distance between 33 both ends of driven shaft change, right Ying Di, connector 48 and the fastening position of conveying device 40 must change correspondingly, and therefore, be all provided on each two connector 48 Third cross through hole 481 adjusts the fixed position of the conveying device 40 and connector 48 by third cross through hole 481, from And adapt to the spacing adjustment between two ditching mechanisms 35.

Usually, the transmission length of conveying device 40 is longer, more preferably, in order to promote conveyer belt support force, improves transmission The tension of chain 42 ensures that the transmission stationarity of transmission chain 42, the present embodiment are also provided with the second strainer 410 and support Mechanism 420.

Referring to Fig. 6, the motor 44 sends power to conveying device 40 by level-one chain-drive mechanism 430, it is described Level-one chain-drive mechanism 430 is fixed on the lateral wall of the conveying device 40 comprising level-one head sprocket 431, primary transmission Chain 432 and level-one accessary sprocket wheel 433, the level-one head sprocket 431 are fixed on the transmission shaft of the motor 44, are passed by level-one Dynamic chain 432 drives level-one accessary sprocket wheel 433 to rotate, and the level-one accessary sprocket wheel 433 is fixed in the shaft of chain delivery mechanism, to Conveyer belt 41 is driven to rotate；One second strainer 410 is also set up in the level-one chain-drive mechanism 430 comprising a rotation The lateral wall of disk 411 and a rotating wheel 412, the rotating disc 411 and the conveying device 40 is rotatablely connected and is located at described one In grade transmission chain 432, an arc-shaped slot 413, the arc-shaped slot 413 are opened up by the center of circle of run-on point on the rotating disc 411 Rotating disc 411 is located on lateral wall by upper setting locking member 414 by locking member 414, and the rotating wheel 412 is rotatablely connected In the edge of the rotating disc 411, and rotating wheel 412 is matched when needing to adjust tensile force with the sliding of the first grade transmission chain 432 It closes；When adjusting tensile force, locking member 414 is opened, rotates rotating disc 411, after the completion of adjustment, locks locking member 414, fixed rotation Disk 411.

Referring to Fig. 7, an at least supporting mechanism 420 is respectively provided on two lateral walls of the conveying device 40, in this implementation In example, two supporting mechanisms 420 are respectively provided on each side wall.The supporting mechanism 420 includes the support chain set gradually from top to bottom Wheel 421, supporting rod 422, wedge block 423 and adjusting screw 424 and one are slided for housing the supporting rod 422 and wedge shape The limiting slot 425 of block 423, it is described support sprocket wheel 421 be fixed on the supporting rod 422 upper end and with the chain conveyor The transmission chain 42 of structure engages, and the lower end of the supporting rod 422 is inclined-plane, and with the inclined-plane phase of the wedge block of lower section 423 Cooperation, the adjusting screw 424 passes through the side wall of the limiting slot 425 and the wedge block 423 is withstood in its end.Work as wedge shape When sliding block 423 moves, supporting rod 422 moves up and down, to change the tensioning that support sprocket wheel 421 is applied on transmission chain 42 Power.

Cropper of the present invention can be driven by tractor to advance, and therefore, it is necessary to the setting in rack 10 and tractors Bindiny mechanism, needs match with tractor-drawn mechanism.Here, providing a kind of realization method of bindiny mechanism：It please refers to Fig. 1 fixes an axis pin 11 on the both sides frame of the rack 10, rack 10 is fixed on tractor rear axle by axis pin 11 respectively Hang two fulcrums of pull rod（It is not shown）On, the rack 10 also sets up traction unit, and the traction unit includes pulling plate 12 A pulling plate 12, each pulling plate 12 are respectively fixed with the upper and lower part of sleeve 13, the both sides frame of the rack 10 The other end be fixed together by the sleeve 13, the traction unit is fixed on the traction bearing of the tractor rear overhang On.

A kind of deep root crop harvester of the present invention, can change ditching depth by adjusting the length of telescopic arm 322, because This, can be not only used for the deep root crop such as harvest Chinese yam, burdock, can be also used for the crops such as harvest potato, taro, onion.

Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (10)

1. a kind of depth root crop harvester, including rack（10）With set on rack（10）On transmission device（20）, feature It is：Further include digging deep mole（30）With the conveying device for waiting for harvesting crops soil for transmitting package（40）, the biography Dynamic device（20）The power of tractor rear output shaft is transmitted to the deep mole of digging（30）Main shaft（31）；The digging is tunneled deeply Device（30）It further include supporting rack（32）, driven shaft（33）, an at least low bank of earth between fields cutting mechanism（34）And at least two ditching mechanisms （35）, support frame as described above（32）Nearly stander end the main shaft is set（31）, and nearly stander end and rack（10）Rotation connection, institute State supporting rack（32）Remote stander end the driven shaft is set（33）, and remote stander end connects the conveying device（40）, described Low bank of earth between fields cutting mechanism（34）It is fixed on driven shaft（33）On, and follow driven shaft（33）Rotation；Each ditching mechanism（35）Packet Include a big sprocket wheel（351）, one be equipped with chain knife（3521）Trench digging chain（352）An and minor sprocket（353）, the big sprocket wheel （351）It is fixed on the main shaft（31）On, the minor sprocket（353）It is fixed on the driven shaft（33）On, pass through the trench digging Chain（352）Connect the big sprocket wheel（351）And minor sprocket（353）, adjacent two ditching mechanism（35）Minor sprocket（353）Between One low bank of earth between fields cutting mechanism is set（34）, the low bank of earth between fields cutting mechanism（34）It is equipped with the blade for cutting the low bank of earth between fields, is cut The package cut waits for that harvesting crops soil imports the conveying device（40）.

2. a kind of deep root crop harvester according to claim 1, it is characterised in that：The main shaft（31）Both ends set There is bearing holder (housing, cover)（311）, the bearing holder (housing, cover)（311）It is fixed on rack（10）On, support frame as described above（32）Nearly stander end be equipped with two Earrings（3211）, the earrings（3211）It is sleeved on the bearing holder (housing, cover)（311）Outer wall on；Support frame as described above（32）With the rack （10）Between also be hinged a hydraulic support（38）, pass through hydraulic support（38）Deep mole is dug in adjustment（30）With ground Angle, and when adjustment, main shaft（31）Rotation and supporting rack（32）Rotation it is non-interference.

3. a kind of deep root crop harvester according to claim 1, it is characterised in that：The deep mole of the digging（30） Further include at least two first strainers（36）, with ditching mechanism（35）It is arranged in a one-to-one correspondence；First strainer （36）It is fixed on support frame as described above（32）Lower section；First strainer（36）Including a tensioning holder（361）, one tensioning Sprocket wheel（362）An and adjusting nut（363）, the tensioning holder（361）One end be articulated with support frame as described above（32）, another The tightener sprocket is arranged in end（362）, the tightener sprocket（362）Pass through chain tensioner spindle（364）It is fixed, and the tensioning chain Wheel（362）With the trench digging chain（352）Engagement, the adjusting nut（363）It is fixed on tensioning holder（361）And supporting rack （32）Between, pass through adjusting nut（363）Adjustment tensioning holder（361）And supporting rack（32）The distance between, so as to adjust opening Tight sprocket wheel（362）To chain of ditching（352）Tensile force.

4. a kind of deep root crop harvester according to claim 3, it is characterised in that：Each ditching mechanism（35）'s Outside also sets up a spiral casting mechanism（37）, spiral casting mechanism（37）It is fixed on the chain tensioner spindle（364）On, The chain tensioner spindle（364）With tightener sprocket（362）It is fixedly connected.

5. a kind of deep root crop harvester according to claim 1, it is characterised in that：The trench digging chain（352）On Chain knife（3521）Shape is half cup type, the low bank of earth between fields cutting mechanism（34）Including a plurality of revolving knife groups（341）, each cross Cutter group（341）Including two set of blades（3411）, each set of blades（3411）Interior blade clearance is arranged and annular spread is in described Driven shaft（33）On, the revolving knife group（341）Two interior set of blades（3411）Blade it is opposite and be staggered.

6. a kind of deep root crop harvester according to claim 1, it is characterised in that：Support frame as described above（32）Including preceding Support portion（321）With rear support portion, the front support（321）Two earrings are set（3211）, the main shaft（31）It is set to Two earrings（3211）Between and pass through earrings（3211）By front support（321）And rack（10）It is hinged, the rear support portion by The telescopic arm of two adjustable lengths（322）Composition, each telescopic arm（322）Front end be arranged the first cross through hole（3221）, Fastener passes through through-hole by telescopic arm（322）With the front support（321）It is fixedly connected, each telescopic arm（322）After End setting one is for housing the minor sprocket（353）Fluting（3222）；The main shaft（31）Open up the second cross through hole （312）, the big sprocket wheel（351）Pass through the second cross through hole（312）Limit is fixed；When needs adjust two ditchers according to row spacing Structure（35）Between spacing when, adjust two big sprocket wheels（351）In corresponding second cross through hole（312）On fixed position, make two Big sprocket wheel（351）Between spacing matched with the row spacing, while two telescopic arms of corresponding adjustment（322）In corresponding first cross through hole （3221）On fixed position, to make two telescopic arms（322）Two minor sprockets of rear end（353）Between spacing and described two big chains Wheel（351）Between spacing it is equal.

7. a kind of deep root crop harvester according to claim 1, it is characterised in that：The conveying device（40）For chain Formula transport mechanism, the conveying device（40）Conveyer belt（41）By being arranged at intervals at two transmission chains（42）Between plural item Cross bar forms；Pass through motor（44）For the conveying device（40）Power is provided, the cut-off low bank of earth between fields passes through the conveyer belt （41）It is conveyed；The conveying device（40）Pass through two connectors（48）With the driven shaft（33）It is hinged, and the conveying Device（40）Pass through the telescopic rod of two adjustable lengths（49）With support frame as described above（32）It is fixedly connected, adjusts telescopic rod（49）, Change conveying device（40）With the deep mole of digging（30）Between angle and conveying device（40）Angle between ground, Make to be dug deep mole（30）The soil of cut-out can preferably enter the conveying device（40）, in transmit process, soil Earth is elevated, and part chesson is fallen between cross bar gap, and crop is detached with soil, facilitates pickup crop.

8. a kind of deep root crop harvester according to claim 7, it is characterised in that：Two connector（48）It is upper equal Equipped with third cross through hole（481）, pass through third cross through hole（481）Adjust the conveying device（40）With connector（48）'s Fixed position, to adapt to two ditching mechanisms（35）Between spacing adjustment.

9. a kind of deep root crop harvester according to claim 7, it is characterised in that：The motor（44）Pass through level-one Chain-drive mechanism（430）Send power to conveying device（40）, the level-one chain-drive mechanism（430）It is fixed on the conveying Device（40）Lateral wall on comprising level-one head sprocket（431）, first grade transmission chain（432）And level-one accessary sprocket wheel（433）, The level-one head sprocket（431）It is fixed on the motor（44）Transmission shaft on, pass through first grade transmission chain（432）Drive level-one from Sprocket wheel（433）Rotation, the level-one accessary sprocket wheel（433）It is fixed in the shaft of chain delivery mechanism, to drive conveyer belt （41）Rotation；The level-one chain-drive mechanism（430）Inside also set up one second strainer（410）Comprising a rotating disc （411）With a rotating wheel（412）, the rotating disc（411）With the conveying device（40）Lateral wall rotation connection and be located at The first grade transmission chain（432）It is interior, the rotating disc（411）On by the center of circle of run-on point open up an arc-shaped slot（413）, described Arc-shaped slot（413）Upper setting locking member（414）, pass through locking member（414）By rotating disc（411）It is located on lateral wall, institute State rotating wheel（412）It is rotationally connected with the rotating disc（411）Edge, and rotating wheel（412）When needing to adjust tensile force With the first grade transmission chain（432）It is slidably matched；

The conveying device（40）Two lateral walls on be respectively provided with an at least supporting mechanism（420）, the supporting mechanism（420）Packet Include the support sprocket wheel set gradually from top to bottom（421）, supporting rod（422）, wedge block（423）And adjusting screw（424） With one for housing the supporting rod（422）And wedge block（423）Limiting slot（425）, the support sprocket wheel（421）It is fixed In the supporting rod（422）Upper end and with the transmission chain of the chain delivery mechanism（42）Engagement, the supporting rod （422）Lower end be inclined-plane, and with the wedge block of lower section（423）Inclined-plane match, the adjusting screw（424）It passes through The limiting slot（425）Side wall and its end withstand the wedge block（423）.

10. a kind of deep root crop harvester according to claim 1, it is characterised in that：The rack（10）Both sides An axis pin is fixed on frame respectively（11）, pass through axis pin（11）By rack（10）It is fixed on two of tractor rear axle suspension pull rod On fulcrum, the rack（10）Traction unit is also set up, the traction unit includes pulling plate（12）And sleeve（13）, the rack （10）The upper and lower part of both sides frame respectively fix a pulling plate（12）, each pulling plate（12）The other end pass through The sleeve（13）It is fixed together, the traction unit is fixed on the traction bearing of the tractor rear overhang.